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Finding the Fourth Proportional to 178,615.04, 246,487.60 and 98,040.48

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Solution

The fourth proportional to 178,615.04, 246,487.60 and 98,040.48 is: 135,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,615.04 : 246,487.60 = 98,040.48 : x
  2. Step 2: Convert to fraction form
    178,615.04/246,487.60 = 98,040.48/x
  3. Step 3: Cross multiply
    178,615.04x = 246,487.60 × 98,040.48
  4. Step 4: Simplify right side
    178,615.04x = 24,165,762,618.05
  5. Step 5: Solve for x
    x = 24,165,762,618.05/178,615.04
  6. Step 6: Final answer
    x = 135,295.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.